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The Navajo Mill was a uranium and vanadium ore processing site located in Shiprock, NM, on a terrace adjacent to the San Juan River. The leaching of ore with ammonium and sulfuric acid introduced large amounts of contaminants ...

Snow accumulated in the mountainous portions of the Western United States is an extremely important source of water supply. Federal resource management agencies (USFS, BLM, USGS, NRCS, Federal water master), non-governmental ...

Geochemical evolution of waters from the semi-arid western Great Basin and parts of the Sierra Nevada was analyzed using common techniques for computation of ionic speciation, classification, R-mode factor analysis and an ...

Since completion in 1915, Lahontan Reservoir has impounded water from the Carson and Truckee Rivers and served as a sink for sediments and trace elements including Hg (mercury), Au (gold), and Ag (silver) derived from ...

Fundamentals of aquifer multiphase flow in response to inertial and viscous forces have been examined. A new law is introduced which assumes the skeletal matrix behaves a non-Newtonian flow that is coupled with pore fluid ...

Data suggests that approximately 30 percent of the base flow in the Truckee River was derived from surface water tributary contribution and 70 percent was groundwater contribution between Tahoe City and Truckee, California. ...

A three-dimensional finite-difference numerical model has been developed using the displacement field of solids as the unknown principal variable allowing for the simulation of granular displacement in three dimensions.

The velocity of solids, displacement of solids, and volumetric strains related to an aquifer are calculated in response to discharge and injection wells using a numerical model which incorporates the Gersevanov - Darcy law.